Peter Collingbourne 590e5e5ec0 hwasan: Untag unwound stack frames by wrapping personality functions. ... One problem with untagging memory in landing pads is that it only works correctly if the function that catches the exception is instrumented. If the function is uninstrumented, we have no opportunity to untag the memory. To address this, replace landing pad instrumentation with personality function wrapping. Each function with an instrumented stack has its personality function replaced with a wrapper provided by the runtime. Functions that did not have a personality function to begin with also get wrappers if they may be unwound past. As the unwinder calls personality functions during stack unwinding, the original personality function is called and the function's stack frame is untagged by the wrapper if the personality function instructs the unwinder to keep unwinding. If unwinding stops at a landing pad, the function is still responsible for untagging its stack frame if it resumes unwinding. The old landing pad mechanism is preserved for compatibility with old runtimes. Differential Revision: https://reviews.llvm.org/D66377 llvm-svn: 369721		2019-08-23 01:28:44 +00:00
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AddressSanitizer.cpp	[WebAssembly] Lower ASan constructor priority on Emscripten	2019-08-06 21:52:58 +00:00
BoundsChecking.cpp	Add a 'dynamic' parameter to the objectsize intrinsic	2019-01-30 20:34:35 +00:00
CFGMST.h	[llvm] Migrate llvm::make_unique to std::make_unique	2019-08-15 15:54:37 +00:00
CGProfile.cpp	Update the file headers across all of the LLVM projects in the monorepo	2019-01-19 08:50:56 +00:00
CMakeLists.txt	Add a transform pass to make the executable semantics of poison explicit in the IR	2019-07-09 18:49:29 +00:00
ControlHeightReduction.cpp	[llvm] Migrate llvm::make_unique to std::make_unique	2019-08-15 15:54:37 +00:00
DataFlowSanitizer.cpp	[DFSan] Add UnaryOperator visitor to DataFlowSanitizer	2019-06-19 15:11:41 +00:00
GCOVProfiling.cpp	[llvm] Migrate llvm::make_unique to std::make_unique	2019-08-15 15:54:37 +00:00
HWAddressSanitizer.cpp	hwasan: Untag unwound stack frames by wrapping personality functions.	2019-08-23 01:28:44 +00:00
IndirectCallPromotion.cpp	[llvm] Migrate llvm::make_unique to std::make_unique	2019-08-15 15:54:37 +00:00
InstrOrderFile.cpp	Rename F_{None,Text,Append} to OF_{None,Text,Append}. NFC	2019-08-05 05:43:48 +00:00
InstrProfiling.cpp	[profile] Solaris ld supports __start___llvm_prof_data etc. labels	2019-06-20 21:27:06 +00:00
Instrumentation.cpp	Reland the "[NewPM] Port Sancov" patch from rL365838. No functional	2019-07-25 20:53:15 +00:00
LLVMBuild.txt	Update the file headers across all of the LLVM projects in the monorepo	2019-01-19 08:50:56 +00:00
MaximumSpanningTree.h	Use llvm::stable_sort	2019-04-23 14:51:27 +00:00
MemorySanitizer.cpp	[IRBuilder] Introduce helpers for and/or of multiple values at once	2019-07-06 03:46:18 +00:00
PGOInstrumentation.cpp	[llvm] Migrate llvm::make_unique to std::make_unique	2019-08-15 15:54:37 +00:00
PGOMemOPSizeOpt.cpp	[llvm] Migrate llvm::make_unique to std::make_unique	2019-08-15 15:54:37 +00:00
PoisonChecking.cpp	[PoisonChecking] Flesh out complete todo list for full coverage	2019-07-09 19:59:39 +00:00
SanitizerCoverage.cpp	[Sanitizer] Remove unused functions	2019-08-20 22:56:40 +00:00
ThreadSanitizer.cpp	[opaque pointer types] Add a FunctionCallee wrapper type, and use it.	2019-02-01 02:28:03 +00:00